/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package com.antgroup.geaflow.cluster.rpc.impl;

import com.antgroup.geaflow.cluster.rpc.RpcEndpointRef;
import com.antgroup.geaflow.common.config.Configuration;
import com.antgroup.geaflow.common.rpc.ConfigurableClientOption;
import com.baidu.brpc.client.RpcClient;
import com.baidu.brpc.client.RpcClientOptions;
import com.baidu.brpc.client.channel.Endpoint;

public abstract class AbstractRpcEndpointRef implements RpcEndpointRef {

    protected RpcClient rpcClient;
    protected final String host;
    protected final int port;
    protected final Configuration configuration;

    public AbstractRpcEndpointRef(String host, int port, Configuration configuration) {
        this.host = host;
        this.port = port;
        this.configuration = configuration;
        this.rpcClient = new RpcClient(new Endpoint(host, port), getClientOptions());
        getRpcEndpoint();
    }

    protected abstract void getRpcEndpoint();

    protected synchronized RpcClientOptions getClientOptions() {
        return ConfigurableClientOption.build(configuration);
    }

    @Override
    public void closeEndpoint() {
        close();
    }

    @Override
    public void close() {
        if (!rpcClient.isShutdown()) {
            this.rpcClient.stop();
        }
    }

}
